Home / 108,535.25-149,779.11-63,244.31

Finding the Fourth Proportional to 108,535.25, 149,779.11 and 63,244.31

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Solution

The fourth proportional to 108,535.25, 149,779.11 and 63,244.31 is: 87,277.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,535.25 : 149,779.11 = 63,244.31 : x
  2. Step 2: Convert to fraction form
    108,535.25/149,779.11 = 63,244.31/x
  3. Step 3: Cross multiply
    108,535.25x = 149,779.11 × 63,244.31
  4. Step 4: Simplify right side
    108,535.25x = 9,472,675,399.25
  5. Step 5: Solve for x
    x = 9,472,675,399.25/108,535.25
  6. Step 6: Final answer
    x = 87,277.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.